A3966SLBTR-T

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A3966SLBTR-T

+БОМ

IC MTRDRV BIPLR 4.75-5.5V 16SOIC

  • Производителькомпанией Allegro MicroSystems

  • Мфр. Часть #A3966SLBTR-T

  • Лист данных A3966SLBTR-T DataSheet

  • Пакет 16-PowerSOIC

  • В наличии7796

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Спецификации

Атрибут Ценность
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MotorType-Stepper Bipolar
Function Driver - Fully Integrated, Control and Power Stage
OutputConfiguration Half Bridge (4)
Interface Parallel
Technology Bipolar
Applications General Purpose
Current-Output 650mA
Voltage-Supply 4.75V ~ 5.5V
Voltage-Load 4.75V ~ 30V
OperatingTemperature -20°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 16-PowerSOIC (0.295, 7.50mm Width)

Обзор

Description

The A3966SLBTR-T is a motor driver IC produced by Allegro MicroSystems. It's designed specifically for driving bipolar stepper motors and is commonly used in applications that require precise control of motor movement, such as 3D printers, robotics, and CNC machines. This IC integrates two full H-bridges, allowing it to control two phases of a stepper motor, and can handle output currents up to 750 mA per bridge. It supports microstepping and provides options for controlling the motor in full, half, and quarter-step modes, enhancing the smoothness and precision of motor operation.
The A3966SLBTR-T features built-in protection mechanisms, including thermal shutdown, undervoltage lockout, and crossover current protection, ensuring robust operation. The device operates over a wide voltage range, making it versatile for various applications. Additionally, it comes in a compact, surface-mount SOIC package, which is suitable for PCB designs with space constraints. The integration of essential drive and protection features in a single IC simplifies the motor control design, reduces component count, and enhances system reliability.

Equivalent

The A3966SLBTR-T is a motor driver IC designed for bipolar stepper motors. Equivalent products include the L298N from STMicroelectronics, the TB6612FNG from Toshiba, and the DRV8825 from Texas Instruments. These alternatives offer similar functionalities, though their specifications may vary slightly, so it's essential to check the datasheets for compatibility with your specific application requirements.

Features

The A3966SLBTR-T is a microstepping motor driver IC designed for driving bipolar stepper motors. Key features include:
1. Microstepping Capability: Provides microstepping with selectable step modes, allowing for smoother and more precise control of stepper motors.

2. Output Stage: Features a dual full-bridge output stage with built-in protection diodes to handle inductive loads effectively.
3. Current Control: Offers adjustable current control, which helps in managing the motor torque and reducing power dissipation.
4. Thermal Protection: Includes thermal shutdown protection to prevent damage due to overheating.
5. Under-Voltage Lockout: Ensures the driver operates only when the supply voltage is above a certain threshold, preventing erratic behavior at low voltages.
6. Synchronous Rectification: Helps in reducing power dissipation in the output stage.
7. Compact Package: Available in a small, surface-mount package (SOIC) for space-constrained applications.
This IC is ideal for applications requiring precise motor control, such as 3D printers, robotics, and CNC machines.

Pinout

The A3966SLBTR-T is a motor driver IC designed for driving bipolar stepper motors and DC motors. It comes in a 24-pin SOIC package. The primary function of this IC is to control the current through the motor windings, allowing for precise motor control. It incorporates features such as crossover-current protection and thermal shutdown circuitry. The A3966SLBTR-T is specifically designed to handle high-current and high-voltage applications, making it suitable for a wide range of motor control applications.

Manufacturer

The A3966SLBTR-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company specializing in the design and manufacturing of high-performance power and sensing semiconductor solutions for motion control and energy-efficient systems. They focus on providing innovative solutions for a range of applications, including automotive, industrial, consumer, and computing markets. Allegro is known for its expertise in developing integrated circuits that manage power and motion control, as well as providing advanced magnetic sensor ICs.

Application

The A3966SLBTR-T is a microstepping motor driver IC, typically used in applications requiring precise control of bipolar stepper motors. Its primary application areas include 3D printers, CNC machines, robotics, and automated machinery where precise and smooth motor control is essential. Additionally, it is used in office equipment like printers and scanners, as well as in industrial automation systems. The device's capability to handle high currents and provide microstepping functionality makes it suitable for applications demanding accurate positioning and efficient motor performance.

Package

The A3966SLBTR-T is a motor driver IC typically packaged in an SOIC (Small Outline Integrated Circuit) with 24 pins. This package type is designed for surface mount technology (SMT) applications, providing a compact and efficient solution for integrating motor driver functionalities onto printed circuit boards (PCBs).

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